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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Short-circuiting logic operator with side effects inside if statement without braces should work</title>
<link rel="stylesheet" href="../../../resources/js-test-style.css"/>
<script src="../../../js/js-test-pre.js"></script>
<script src="../../../js/webgl-test-utils.js"></script>
</head>
<body>
<canvas id="canvas" width="256" height="256"> </canvas>
<div id="description"></div>
<div id="console"></div>
<script id="vshader" type="x-shader/x-vertex">
attribute vec3 aPosition;

void main() {
    gl_Position = vec4(aPosition, 1);
}
</script>
<script id="fshaderIf" type="x-shader/x-fragment">
precision mediump float;
uniform bool uFalse;

float wrong = 0.0;

bool foo() {
    wrong += 1.0;
    return !uFalse;
}

bool bar() {
    return !uFalse;
}

void main() {
    // No braces here - that can affect whether the contents of the if get parsed as a block or a statement.
    if (uFalse)
        foo() && bar();
    gl_FragColor = vec4(0.0, 1.0 - wrong, 0.0, 1.0);
}
</script>
<script id="fshaderFor" type="x-shader/x-fragment">
precision mediump float;

float wrong = 0.0;

bool foo() {
    wrong += 1.0;
    return false;
}

bool bar() {
    return false;
}

void main() {
    // No braces here - that can affect whether the contents of the for get parsed as a block or a statement.
    for (int i = 0; i < 0; ++i)
        foo() && bar();
    gl_FragColor = vec4(0.0, 1.0 - wrong, 0.0, 1.0);
}
</script>
<script type="application/javascript">
"use strict";
description("Short-circuiting logic operator with side effects inside if/for statement without braces should work.");
debug("");
var wtu = WebGLTestUtils;
function test() {
  var gl = wtu.create3DContext("canvas");
  if (!gl) {
    testFailed("context does not exist");
    return;
  }
  wtu.setupUnitQuad(gl);

  debug("");
  debug("Testing if");
  var program = wtu.setupProgram(gl, ["vshader", "fshaderIf"], ["aPosition"], undefined, true);
  var uniformLoc = gl.getUniformLocation(program, 'uFalse');
  gl.uniform1i(uniformLoc, 0);
  wtu.drawUnitQuad(gl);
  wtu.checkCanvas(gl, [0, 255, 0, 255]);

  debug("");
  debug("Testing for");
  var program = wtu.setupProgram(gl, ["vshader", "fshaderFor"], ["aPosition"], undefined, true);
  wtu.drawUnitQuad(gl);
  wtu.checkCanvas(gl, [0, 255, 0, 255]);
};

test();
var successfullyParsed = true;
finishTest();
</script>
</body>
</html>

